| // Copyright 2018 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| |
| pub trait Signal { |
| type Item; |
| } |
| |
| pub trait Signal2 { |
| type Item2; |
| } |
| |
| impl<B, C> Signal2 for B where B: Signal<Item = C> { |
| type Item2 = C; |
| } |
| |
| // @has issue_50159/struct.Switch.html |
| // @has - '//code' 'impl<B> Send for Switch<B> where <B as Signal>::Item: Send' |
| // @has - '//code' 'impl<B> Sync for Switch<B> where <B as Signal>::Item: Sync' |
| // @count - '//*[@id="implementations-list"]/*[@class="impl"]' 0 |
| // @count - '//*[@id="synthetic-implementations-list"]/*[@class="impl"]' 2 |
| pub struct Switch<B: Signal> { |
| pub inner: <B as Signal2>::Item2, |
| } |
